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Pyroprocessing (from Greek Πυρος = fire) is a process in which materials are subjected to high temperatures (typically over 800 °C) in order to bring about a chemical or physical change. Pyroprocessing includes such terms as ore-roasting , calcination and sintering .
Pyrometallurgy is a branch of extractive metallurgy.It consists of the thermal treatment of minerals and metallurgical ores and concentrates to bring about physical and chemical transformations in the materials to enable recovery of valuable metals. [1]
Chữ Nôm (𡨸喃, IPA: [t͡ɕɨ˦ˀ˥ nom˧˧]) [5] is a logographic writing system formerly used to write the Vietnamese language.It uses Chinese characters to represent Sino-Vietnamese vocabulary and some native Vietnamese words, with other words represented by new characters created using a variety of methods, including phono-semantic compounds. [6]
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Vinacomin operates within many different sectors, such as coal exploitation, processing and selling, explosive and cement production, shipbuilding, automobile manufacturing, tourism, hotels, financing, services and power generation in thermal power plants, including the Cao Ngan thermal power station (the main contractor being China's Harbin) and Na Duong thermal power station (the main ...
Nguyễn Tri Phương was born in 1800 in Ðường Long village, Chánh Lộc canton, Phong Ðiền district, Thừa Thiên fu, now is Chí Long village, Phong Chương commune, Phong Ðiền district, Thừa Thiên Huế.
US Navy and Royal Australian Navy interdiction of sea lines of communication and supply from North Vietnam to South Vietnam: 5 Oct 29 – Dec 24: Operation Pawnee III [1] [5]: 224 2nd Battalion, 26th Marines search and destroy operation: Thừa Thiên Province: Oct 30 – 31: Operation Bundaberg [1] [4]
Emperor Quang Trung (Vietnamese: [kwāːŋ ʈūŋm]; chữ Hán: 光中, 1753 – 16 September 1792) or Nguyễn Huệ (chữ Hán: 阮惠), also known as Nguyễn Quang Bình (chữ Hán: 阮光平), or Hồ Thơm (chữ Hán: 胡𦹳) was the second emperor of the Tây Sơn dynasty, reigning from 1788 until 1792. [2]